diff mbox series

[v2,60/72] python/qmp: return generic type from context manager

Message ID 20201104003602.1293560-61-jsnow@redhat.com
State Accepted
Commit eac8aabc92f80d9a41d9f01163921472e309334c
Headers show
Series [v2,01/72] python/qmp: Add qom script rewrites | expand

Commit Message

John Snow Nov. 4, 2020, 12:35 a.m. UTC 
__enter__ can be invoked from a subclass, so it needs a more specific
type.

Signed-off-by: John Snow <jsnow@redhat.com>
---
 python/qemu/qmp/__init__.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/python/qemu/qmp/__init__.py b/python/qemu/qmp/__init__.py
index ba0d2281d678..376954cb6d27 100644
--- a/python/qemu/qmp/__init__.py
+++ b/python/qemu/qmp/__init__.py
@@ -30,6 +30,7 @@ 
     TextIO,
     Tuple,
     Type,
+    TypeVar,
     Union,
     cast,
 )
@@ -220,7 +221,9 @@  def __get_events(self, wait: Union[bool, float] = False) -> None:
             if ret is None:
                 raise QMPConnectError("Error while reading from socket")
 
-    def __enter__(self) -> 'QEMUMonitorProtocol':
+    T = TypeVar('T')
+
+    def __enter__(self: T) -> T:
         # Implement context manager enter function.
         return self